# 【表紙】

【提出書類】 | 有価証券報告書
【根拠条文】 | 金融商品取引法第24条第１項
【提出先】 | 関東財務局長
【提出日】 | 2026年６月11日
【事業年度】 | 第70期（自　2025年３月21日　至　2026年３月20日）
【会社名】 | エムケー精工株式会社
【英訳名】 | MK SEIKO CO., LTD.
【代表者の役職氏名】 | 代表取締役社長　　丸山　将一
【本店の所在の場所】 | 長野県千曲市大字雨宮1825番地
【電話番号】 | 026（272）0601（代表）
【事務連絡者氏名】 | 取締役経理本部長　　和泉　秀樹
【最寄りの連絡場所】 | 長野県千曲市大字雨宮1825番地
【電話番号】 | 026（272）0601（代表）
【事務連絡者氏名】 | 取締役経理本部長　　和泉　秀樹
【縦覧に供する場所】 | エムケー精工株式会社　東京支店 （東京都葛飾区青戸八丁目３番５号） 株式会社東京証券取引所 （東京都中央区日本橋兜町２番１号）

E02409 59060 エムケー精工株式会社 MK SEIKO CO., LTD. 企業内容等の開示に関する内閣府令 第三号様式 Japan GAAP true CTE CTE 2025-03-21 2026-03-20 FY 2026-03-20 2024-03-21 2025-03-20 2025-03-20 1 false false false E02409-000 2026-03-20 jpcrp_cor:Row27Member E02409-000 2025-03-20 jpcrp_cor:Row27Member E02409-000 2026-06-11 E02409-000 2026-03-20 E02409-000 2025-03-21 2026-03-20 E02409-000 2025-03-20 E02409-000 2024-03-21 2025-03-20 E02409-000 2024-03-20 E02409-000 2023-03-21 2024-03-20 E02409-000 2023-03-20 E02409-000 2022-03-21 2023-03-20 E02409-000 2022-03-20 E02409-000 2021-03-21 2022-03-20 E02409-000 2025-03-21 2026-03-20 jpcrp_cor:UnallocatedAmountsAndEliminationMember E02409-000 2024-03-21 2025-03-20 jpcrp_cor:UnallocatedAmountsAndEliminationMember E02409-000 2025-03-20 jpcrp030000-asr_E02409-000:BuildingMaterialsReportableSegmentsMember E02409-000 2025-03-20 jpcrp030000-asr_E02409-000:OtherBusinessReportableSegmentsMember E02409-000 2025-03-20 jpcrp_cor:ReportableSegmentsMember E02409-000 2026-03-20 jpcrp_cor:No5MajorShareholdersMember E02409-000 2026-03-20 jpcrp_cor:No6MajorShareholdersMember E02409-000 2026-03-20 jpcrp_cor:No7MajorShareholdersMember E02409-000 2026-03-20 jpcrp_cor:No8MajorShareholdersMember E02409-000 2026-03-20 jpcrp_cor:No9MajorShareholdersMember E02409-000 2026-03-20 jpcrp_cor:No10MajorShareholdersMember E02409-000 2024-03-21 2025-03-20 jpcrp_cor:ReconcilingItemsMember E02409-000 2025-03-20 jppfs_cor:TreasuryStockMember E02409-000 2025-03-20 jppfs_cor:ShareholdersEquityMember E02409-000 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry1Member E02409-000 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E02409-000 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E02409-000 2025-03-20 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E02409-000 2025-03-20 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E02409-000 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:DeferredGainsOrLossesOnHedgesMember E02409-000 2025-03-20 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E02409-000 2026-03-20 jppfs_cor:ShareholdersEquityMember E02409-000 2026-03-20 jppfs_cor:CapitalStockMember E02409-000 2026-03-20 jppfs_cor:CapitalSurplusMember E02409-000 2026-03-20 jppfs_cor:RetainedEarningsMember E02409-000 2026-03-20 jppfs_cor:TreasuryStockMember E02409-000 2026-03-20 jppfs_cor:ValuationAndTranslationAdjustmentsMember E02409-000 2026-03-20 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E02409-000 2026-03-20 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E02409-000 2026-03-20 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:ShareholdersEquityMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:CapitalStockMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:CapitalSurplusMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:RetainedEarningsMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:TreasuryStockMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:ValuationAndTranslationAdjustmentsMember E02409-000 2024-03-20 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:DeferredGainsOrLossesOnHedgesMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E02409-000 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E02409-000 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E02409-000 2025-03-20 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E02409-000 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E02409-000 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E02409-000 2024-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E02409-000 2026-06-11 jpcrp030000-asr_E02409-000:KoyamaChiakiMember E02409-000 2026-03-20 jpcrp030000-asr_E02409-000:BuildingMaterialsReportableSegmentsMember E02409-000 2025-03-21 2026-03-20 jpcrp_cor:ReconcilingItemsMember E02409-000 2025-03-21 2026-03-20 jpcrp_cor:ReportableSegmentsMember E02409-000 2025-03-21 2026-03-20 jpcrp030000-asr_E02409-000:OtherBusinessReportableSegmentsMember E02409-000 2025-03-21 2026-03-20 jpcrp030000-asr_E02409-000:BuildingMaterialsReportableSegmentsMember E02409-000 2026-03-20 jpcrp_cor:OrdinaryShareMember E02409-000 2026-03-20 jpcrp_cor:SharesWithNoVotingRightsMember E02409-000 2026-03-20 jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMember E02409-000 2026-03-20 jpcrp_cor:SharesWithRestrictedVotingRightsOtherMember E02409-000 2026-03-20 jpcrp_cor:SharesWithFullVotingRightsTreasurySharesEtcMember E02409-000 2026-03-20 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsTreasurySharesEtcMember E02409-000 2026-03-20 jpcrp_cor:SharesWithFullVotingRightsOtherMember E02409-000 2026-03-20 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMember E02409-000 2026-03-20 jpcrp_cor:SharesLessThanOneUnitMember E02409-000 2022-03-21 2023-03-20 jppfs_cor:NonConsolidatedMember E02409-000 2022-03-20 jppfs_cor:NonConsolidatedMember E02409-000 2021-03-21 2022-03-20 jppfs_cor:NonConsolidatedMember E02409-000 2024-03-20 jppfs_cor:CapitalStockMember E02409-000 2024-03-20 jppfs_cor:CapitalSurplusMember E02409-000 2024-03-20 jppfs_cor:RetainedEarningsMember E02409-000 2024-03-20 jppfs_cor:TreasuryStockMember E02409-000 2024-03-20 jppfs_cor:ShareholdersEquityMember E02409-000 2024-03-20 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E02409-000 2024-03-20 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E02409-000 2024-03-20 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E02409-000 2024-03-20 jppfs_cor:ValuationAndTranslationAdjustmentsMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:CapitalStockMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:CapitalSurplusMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:RetainedEarningsMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:TreasuryStockMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:ShareholdersEquityMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:ValuationAndTranslationAdjustmentsMember E02409-000 2025-03-20 jppfs_cor:CapitalStockMember E02409-000 2025-03-20 jppfs_cor:CapitalSurplusMember E02409-000 2025-03-20 jppfs_cor:RetainedEarningsMember E02409-000 2026-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E02409-000 2026-03-20 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E02409-000 2026-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry1Member E02409-000 2026-03-20 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E02409-000 2026-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E02409-000 2026-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E02409-000 2026-03-20 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E02409-000 2026-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:DeferredGainsOrLossesOnHedgesMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-21 2025-03-20 jpcrp030000-asr_E02409-000:BuildingMaterialsReportableSegmentsMember E02409-000 2024-03-21 2025-03-20 jpcrp030000-asr_E02409-000:OtherBusinessReportableSegmentsMember E02409-000 2024-03-21 2025-03-20 jpcrp_cor:ReportableSegmentsMember E02409-000 2026-03-20 jpcrp_cor:No3MajorShareholdersMember E02409-000 2026-03-20 jpcrp_cor:No4MajorShareholdersMember E02409-000 2024-03-20 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E02409-000 2025-03-20 jpcrp_cor:ReconcilingItemsMember E02409-000 2026-03-20 jpcrp030000-asr_E02409-000:LifeAndSupportReportableSegmentsMember jppfs_cor:NonConsolidatedMember E02409-000 2026-03-20 jpcrp030000-asr_E02409-000:MobilityAndServiceReportableSegmentsMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-20 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-20 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E02409-000 2025-03-20 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E02409-000 2025-03-20 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E02409-000 2025-03-20 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E02409-000 2025-03-20 jppfs_cor:ValuationAndTranslationAdjustmentsMember E02409-000 2026-03-20 jpcrp_cor:ReportableSegmentsMember E02409-000 2026-03-20 jpcrp030000-asr_E02409-000:OtherBusinessReportableSegmentsMember E02409-000 2024-03-20 jppfs_cor:ReserveForReductionEntry1Member jppfs_cor:NonConsolidatedMember E02409-000 2024-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E02409-000 2026-03-20 jpcrp_cor:Row5Member E02409-000 2026-03-20 jpcrp_cor:Row6Member E02409-000 2026-03-20 jpcrp_cor:Row7Member E02409-000 2026-03-20 jpcrp_cor:Row8Member E02409-000 2026-03-20 jpcrp_cor:Row9Member E02409-000 2026-03-20 jpcrp_cor:Row10Member E02409-000 2026-03-20 jpcrp_cor:Row11Member E02409-000 2026-03-20 jpcrp_cor:Row12Member E02409-000 2026-03-20 jpcrp_cor:Row13Member E02409-000 2026-03-20 jpcrp_cor:Row14Member E02409-000 2026-03-20 jpcrp_cor:Row15Member E02409-000 2026-03-20 jpcrp_cor:Row16Member E02409-000 2026-03-20 jpcrp_cor:Row17Member E02409-000 2026-03-20 jpcrp_cor:Row18Member E02409-000 2026-03-20 jpcrp_cor:Row19Member E02409-000 2026-03-20 jpcrp_cor:Row20Member E02409-000 2026-03-20 jpcrp_cor:Row21Member E02409-000 2026-03-20 jpcrp_cor:Row22Member E02409-000 2026-03-20 jpcrp_cor:Row23Member E02409-000 2026-03-20 jpcrp_cor:Row24Member E02409-000 2026-03-20 jpcrp_cor:Row25Member E02409-000 2026-03-20 jpcrp_cor:Row26Member E02409-000 2024-03-20 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-20 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-20 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-20 jppfs_cor:DeferredGainsOrLossesOnHedgesMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-20 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:ReserveForReductionEntry1Member jppfs_cor:NonConsolidatedMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry1Member E02409-000 2025-03-21 2026-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E02409-000 2025-03-20 jpcrp_cor:Row5Member E02409-000 2025-03-20 jpcrp_cor:Row6Member E02409-000 2025-03-20 jpcrp_cor:Row7Member E02409-000 2025-03-20 jpcrp_cor:Row8Member E02409-000 2025-03-20 jpcrp_cor:Row9Member E02409-000 2025-03-20 jpcrp_cor:Row10Member E02409-000 2025-03-20 jpcrp_cor:Row11Member E02409-000 2025-03-20 jpcrp_cor:Row12Member E02409-000 2025-03-20 jpcrp_cor:Row13Member E02409-000 2025-03-20 jpcrp_cor:Row14Member E02409-000 2025-03-20 jpcrp_cor:Row15Member E02409-000 2025-03-20 jpcrp_cor:Row16Member E02409-000 2025-03-20 jpcrp_cor:Row17Member E02409-000 2025-03-20 jpcrp_cor:Row18Member E02409-000 2025-03-20 jpcrp_cor:Row19Member E02409-000 2025-03-20 jpcrp_cor:Row20Member E02409-000 2025-03-20 jpcrp_cor:Row21Member E02409-000 2025-03-20 jpcrp_cor:Row22Member E02409-000 2025-03-20 jpcrp_cor:Row23Member E02409-000 2025-03-20 jpcrp_cor:Row24Member E02409-000 2025-03-20 jpcrp_cor:Row25Member E02409-000 2025-03-20 jpcrp_cor:Row26Member E02409-000 2026-03-20 jpcrp030000-asr_E02409-000:LifeAndSupportReportableSegmentsMember E02409-000 2025-03-21 2026-03-20 jpcrp030000-asr_E02409-000:LifeAndSupportReportableSegmentsMember E02409-000 2026-03-20 jpcrp030000-asr_E02409-000:MobilityAndServiceReportableSegmentsMember E02409-000 2025-03-21 2026-03-20 jpcrp030000-asr_E02409-000:MobilityAndServiceReportableSegmentsMember E02409-000 2025-03-20 jpcrp030000-asr_E02409-000:LifeAndSupportReportableSegmentsMember E02409-000 2025-03-20 jpcrp_cor:Row2Member E02409-000 2025-03-20 jpcrp_cor:Row3Member E02409-000 2026-06-11 jpcrp_cor:OrdinaryShareMember E02409-000 2026-03-20 jpcrp_cor:Row1Member E02409-000 2026-03-20 jpcrp_cor:Row2Member E02409-000 2026-03-20 jpcrp_cor:Row3Member E02409-000 2026-03-20 jpcrp_cor:Row4Member E02409-000 2025-03-20 jpcrp_cor:Row1Member E02409-000 2025-03-21 2026-03-20 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:DeferredGainsOrLossesOnHedgesMember E02409-000 2026-03-20 jppfs_cor:NonConsolidatedMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:NonConsolidatedMember E02409-000 2025-03-20 jppfs_cor:NonConsolidatedMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:NonConsolidatedMember E02409-000 2024-03-20 jppfs_cor:NonConsolidatedMember E02409-000 2023-03-21 2024-03-20 jppfs_cor:NonConsolidatedMember E02409-000 2023-03-20 jppfs_cor:NonConsolidatedMember E02409-000 2026-06-11 jpcrp_cor:Row1Member E02409-000 2026-06-11 jpcrp_cor:Row2Member E02409-000 2026-06-11 jpcrp_cor:Row3Member E02409-000 2026-06-11 jpcrp030000-asr_E02409-000:MaruyamaShoichiMember E02409-000 2026-06-11 jpcrp030000-asr_E02409-000:ChibaKazukiMember E02409-000 2026-06-11 jpcrp030000-asr_E02409-000:KutsukakeYoshihikoMember E02409-000 2026-06-11 jpcrp030000-asr_E02409-000:IzumiHidekiMember E02409-000 2026-06-11 jpcrp030000-asr_E02409-000:KamijoYukikoMember E02409-000 2026-06-11 jpcrp030000-asr_E02409-000:TakizawaRenaMember E02409-000 2026-06-11 jpcrp030000-asr_E02409-000:KondoShigemitsuMember E02409-000 2026-06-11 jpcrp030000-asr_E02409-000:MiuraNobuakiMember E02409-000 2026-06-11 jpcrp030000-asr_E02409-000:HironakaRyuzoMember E02409-000 2025-03-21 2026-03-20 jpcrp_cor:DirectorsExcludingOutsideDirectorsMember E02409-000 2025-03-21 2026-03-20 jpcrp_cor:CorporateAuditorsExcludingOutsideCorporateAuditorsMember E02409-000 2025-03-21 2026-03-20 jpcrp_cor:OutsideDirectorsAndOtherOfficersMember E02409-000 2026-06-11 jpcrp_cor:Row4Member E02409-000 2025-03-20 jpcrp_cor:Row4Member E02409-000 2026-03-20 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E02409-000 2025-03-20 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E02409-000 2024-03-21 2025-03-20 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E02409-000 2026-03-20 jpcrp_cor:ReconcilingItemsMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E02409-000 2026-03-20 jpcrp_cor:No1MajorShareholdersMember E02409-000 2026-03-20 jpcrp_cor:No2MajorShareholdersMember E02409-000 2026-03-20 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E02409-000 2026-03-20 jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMember E02409-000 2026-06-11 jpcrp_cor:Row5Member E02409-000 2024-03-21 2025-03-20 jpcrp030000-asr_E02409-000:LifeAndSupportReportableSegmentsMember E02409-000 2025-03-20 jpcrp030000-asr_E02409-000:MobilityAndServiceReportableSegmentsMember E02409-000 2024-03-21 2025-03-20 jpcrp030000-asr_E02409-000:MobilityAndServiceReportableSegmentsMember E02409-000 2026-03-20 jpcrp_cor:CorporateSharedMember E02409-000 2026-03-20 jppfs_cor:NonConsolidatedMember jpcrp_cor:ReportableSegmentsMember E02409-000 2026-03-20 jpcrp_cor:CorporateSharedMember jppfs_cor:NonConsolidatedMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E02409-000 2025-03-21 2026-03-20 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E02409-000 2026-03-20 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E02409-000 2026-03-20 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E02409-000 2026-03-20 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember xbrli:shares iso4217:JPY xbrli:shares xbrli:pure iso4217:JPY